\doxysection{arm\+\_\+iir\+\_\+lattice\+\_\+instance\+\_\+q31 Struct Reference}
\hypertarget{structarm__iir__lattice__instance__q31}{}\label{structarm__iir__lattice__instance__q31}\index{arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}}


Instance structure for the Q31 IIR lattice filter.  




{\ttfamily \#include $<$arm\+\_\+math.\+h$>$}

\doxysubsubsection*{Public Attributes}
\begin{DoxyCompactItemize}
\item 
uint16\+\_\+t \mbox{\hyperlink{structarm__iir__lattice__instance__q31_a9df4570ed28c50fd9193ab654ff236ad}{num\+Stages}}
\item 
q31\+\_\+t \texorpdfstring{$\ast$}{*} \mbox{\hyperlink{structarm__iir__lattice__instance__q31_a54eb1e664e0dc35f17f93a6b666bac33}{p\+State}}
\item 
q31\+\_\+t \texorpdfstring{$\ast$}{*} \mbox{\hyperlink{structarm__iir__lattice__instance__q31_af909a04e81430d80741908a1788e8c41}{pk\+Coeffs}}
\item 
q31\+\_\+t \texorpdfstring{$\ast$}{*} \mbox{\hyperlink{structarm__iir__lattice__instance__q31_a90d707d81dfde0b4a7a11ec840b9dbd5}{pv\+Coeffs}}
\end{DoxyCompactItemize}


\doxysubsection{Detailed Description}
Instance structure for the Q31 IIR lattice filter. 

\label{doc-variable-members}
\Hypertarget{structarm__iir__lattice__instance__q31_doc-variable-members}
\doxysubsection{Member Data Documentation}
\Hypertarget{structarm__iir__lattice__instance__q31_a9df4570ed28c50fd9193ab654ff236ad}\index{arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}!numStages@{numStages}}
\index{numStages@{numStages}!arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}}
\doxysubsubsection{\texorpdfstring{numStages}{numStages}}
{\footnotesize\ttfamily \label{structarm__iir__lattice__instance__q31_a9df4570ed28c50fd9193ab654ff236ad} 
uint16\+\_\+t arm\+\_\+iir\+\_\+lattice\+\_\+instance\+\_\+q31\+::num\+Stages}

number of stages in the filter. \Hypertarget{structarm__iir__lattice__instance__q31_af909a04e81430d80741908a1788e8c41}\index{arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}!pkCoeffs@{pkCoeffs}}
\index{pkCoeffs@{pkCoeffs}!arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}}
\doxysubsubsection{\texorpdfstring{pkCoeffs}{pkCoeffs}}
{\footnotesize\ttfamily \label{structarm__iir__lattice__instance__q31_af909a04e81430d80741908a1788e8c41} 
q31\+\_\+t \texorpdfstring{$\ast$}{*} arm\+\_\+iir\+\_\+lattice\+\_\+instance\+\_\+q31\+::pk\+Coeffs}

points to the reflection coefficient array. The array is of length num\+Stages. \Hypertarget{structarm__iir__lattice__instance__q31_a54eb1e664e0dc35f17f93a6b666bac33}\index{arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}!pState@{pState}}
\index{pState@{pState}!arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}}
\doxysubsubsection{\texorpdfstring{pState}{pState}}
{\footnotesize\ttfamily \label{structarm__iir__lattice__instance__q31_a54eb1e664e0dc35f17f93a6b666bac33} 
q31\+\_\+t \texorpdfstring{$\ast$}{*} arm\+\_\+iir\+\_\+lattice\+\_\+instance\+\_\+q31\+::p\+State}

points to the state variable array. The array is of length num\+Stages+block\+Size. \Hypertarget{structarm__iir__lattice__instance__q31_a90d707d81dfde0b4a7a11ec840b9dbd5}\index{arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}!pvCoeffs@{pvCoeffs}}
\index{pvCoeffs@{pvCoeffs}!arm\_iir\_lattice\_instance\_q31@{arm\_iir\_lattice\_instance\_q31}}
\doxysubsubsection{\texorpdfstring{pvCoeffs}{pvCoeffs}}
{\footnotesize\ttfamily \label{structarm__iir__lattice__instance__q31_a90d707d81dfde0b4a7a11ec840b9dbd5} 
q31\+\_\+t \texorpdfstring{$\ast$}{*} arm\+\_\+iir\+\_\+lattice\+\_\+instance\+\_\+q31\+::pv\+Coeffs}

points to the ladder coefficient array. The array is of length num\+Stages+1. 

The documentation for this struct was generated from the following files\+:\begin{DoxyCompactItemize}
\item 
C\+:/\+Users/\+ASUS/\+Desktop/dm-\/ctrl\+H7-\/balance-\/9025test/\+Middlewares/\+ST/\+ARM/\+DSP/\+Inc/arm\+\_\+math.\+h\item 
C\+:/\+Users/\+ASUS/\+Desktop/dm-\/ctrl\+H7-\/balance-\/9025test/\+Middlewares/\+ST/\+ARM/\+DSP/\+Include/dsp/filtering\+\_\+functions.\+h\end{DoxyCompactItemize}
